necessary environment settings:

export NAG_KUSARI_FILE=license:7733

This is automatically set via /etc/profile.d.

User settings:

export LD_LIBRARY_PATH=/opt/sw/NAG/fll6i24dcl/lib:$LD_LIBRARY_PATH

Compiling and linking a program with a nag library:

ifort -I/opt/sw/NAG/fll6i24dcl/nag_interface_blocks -L/opt/sw/NAG/fll6i24dcl/lib  -lnag_nag file.f90